Digitek Auto Extension Tube (C004)

This is used by attaching between camera body and the lens of the 35mm single-lens reflex camera. It comes as a set of 3 tubes of different lengths which singly or in combination makes it usable in 7 different lengths. It couples perfectly with the camera’s diaphragm. With camera’s of TTLAE (through the lens automatic exposure) type it gives perfect coupling expect when combine with Electronic Flash AE unit.

Feature:
Auto Extension Tube are designed to enable a lens to focus Closer than its normal set minimum focusing distance.
The auto extension tubes have no optics.
Contains three tubes of different lengths 13 mm, 21 mm & 3 1mm